Modular support frame assembly



FIG. 1 is a perspective view of a modular support frame assembly showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines are for the purposes of illustrating the environment of the article only and form no part of the claimed design. 

CLAIM The ornamental design for a modular support frame assembly, as shown and described. 